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Matches 1 - 50 out of 31,868

Document Document Title
WO/2019/013905A1
A system includes a voltage converter and a controller for controlling the operation of the voltage converter. The voltage converter includes a plurality of legs, wherein each leg includes a first and a second set of silicon (Si)-based p...  
WO/2019/013054A1
This gate drive circuit (1) for driving a gate of a power switching element (PS) is provided with: an inductor (L1); a first switch (Q1) which is arranged between one end of the inductor (L1) and a power supply potential (VDD); a second ...  
WO/2019/012250A1
The disclosure relates to a line commutated converter, LCC, for a high-voltage direct current, HVDC, power converter. The LCC comprises at least one bridge circuit for connection to at least one terminal of a DC system. Each bridge circu...  
WO/2019/011444A1
The invention provides an inverter system and a method of using said inverter system. A rectifier stage of the inverter system is used to charge a DC link stage to a first voltage level and a control module determines whet her voltages o...  
WO/2019/007694A1
The invention relates to a method and a device for operating an electric motor, wherein: a power output stage has half bridges (4) supplied with operating voltage which each consist of a series circuit of a first and a second semiconduct...  
WO/2019/007532A1
The invention relates to an electric short-circuit device (400) comprising a first electric contact piece (404), a second electric contact piece (408), and a component (412) made of an electrically semiconductive crystalline material whi...  
WO/2019/007475A1
A submodule (SMA) for a modular multilevel converter comprises a capacitor(CSM),a first group of series-connected switching units and a first chain link branch comprising a first chain-link (CL1),wherein the first group of switching unit...  
WO/2019/007479A1
The present disclosure relates to a method for voltage balancing between phase-legs 2 of a Modular Multilevel Converter (MMC) 1. Each phase-leg comprises a plurality of series connected converter cells 4. Each cell comprises an energy st...  
WO/2019/008285A1
The invention relates to a method for estimating the current (Iest) flowing through a winding (1) of an electric motor (M) of the type comprising at least one winding (1) that can be driven by a switching device (2), comprising the follo...  
WO/2019/007542A1
The present invention relates to a UPS (Uninterruptible Power Supply) system (1) operating in an economical mode (ECO-mode) for reduction of a capacitive current in an AC bypass circuit (8). The UPS system, according to the invention, is...  
WO/2019/007503A1
The invention relates to a power converter (1) comprising at least one phase module (33) which is arranged between a first DC voltage connection (37) and a second DC voltage connection (41) of the power converter and which has a large nu...  
WO/2019/008275A1
The invention relates to a multi-level modular converter (10) provided with a control module (20) comprising a computer (22) to calculate an internal control setpoint of the converter and an energy management module (24) allowing a power...  
WO/2019/007011A1
A drive circuit with a zero-crossing detection function, and a zero-crossing detection method. The drive circuit comprises: a power switch tube (NM) that controls an output voltage and couples a drop signal; a pull-up drive tube (21) for...  
WO/2019/008194A1
The invention relates to a power conversion system and an associated control method. The system comprises a plurality of converters (3) connected in parallel on an AC side, each converter (3) comprising an AC side (3A) for coupling with ...  
WO/2019/007824A1
The invention relates to a modular multilevel energy converter comprising at least one converter circuit which is connected to a first connection of the multilevel energy converter, comprises multiple converter modules connected in serie...  
WO/2019/003432A1
A power conversion device (100) comprises: a first stage (ST1); a second stage (ST2); first electric field relaxing shield parts (S11-S14); second electric field relaxing shield parts (S21-S24); and a plurality of stage support columns (...  
WO/2019/001843A1
A device for driving an inductive load (200) is described. The device comprises at least one pair of switches (100) connected to the inductive load (200) in a bridge circuit. In this case, at least one of the switches (100) comprises an ...  
WO/2019/001842A1
The invention relates to a device (10) for converting electric energy, comprising at least one switching semiconductor component (100), a cooling path for cooling the semiconductor component (100), and a device (200) for detecting the de...  
WO/2019/001943A1
The invention relates to a charging device (26) for charging an energy store (12) of a vehicle designed to store electrical energy, comprising a converter apparatus (28), which has: a first operating state in which the converter apparatu...  
WO/2019/002709A1
The voltage converter (104) includes first and second busbars (106, 108), at least one power module (110) including at least one pair of first and second controllable switches (112, 14). One capacitor is provided for each power module (1...  
WO/2019/005730A1
One aspect of the present disclosure relates to a power electronics device for an electrically-driven charging device for an engine, said power electronics device comprising one or more power electronics components which are designed to ...  
WO/2018/236634A1
An electrical circuit and a method for regulating current and providing a circuit breaker to the electrical circuit. The circuit includes a bidirectional cell including a set of forward switches for power flow during a forward mode of op...  
WO/2018/233824A1
The present disclosure relates to a method of controlling a Modular Multilevel Converter (MMC) (1) during a fault in a power grid (5) to which the MMC is connected. The MMC comprises a plurality of phases (2), each comprising at least on...  
WO/2018/235849A1
The line length (WL1) between the input end of a switching circuit (2) and a high-frequency capacitor (C1) is shorter than the line length (WL2) between the output end of a DC power supply (1) and the high-frequency capacitor (C1). Among...  
WO/2018/232818A1
A method and device for obtaining an effective value of an alternating current voltage of a power factor correction (PFC) power supply. The method for obtaining an effective value of an alternating current voltage of a PFC power supply c...  
WO/2018/234499A1
The present invention concerns a power management integrated circuit (PMIC) for extracting power from an energy harvester. The PMIC comprises a voltage converter to convert an input power at a voltage Vin into an output power at an outpu...  
WO/2018/233871A1
The invention relates to an electronic circuit with associated control for efficient power-electronic power supplies, electrical converters, electrical inverters, energy transmission systems, battery-integrated converters and battery sys...  
WO/2018/233578A1
A power conversion circuit and a charging apparatus, which can support a plurality of charging modes, improving the charging rate of a battery. The circuit comprises: a first end of a first switch element being in coupled connection to a...  
WO/2018/233555A1
Provided is a method of suppressing magnetic bias, comprising: detecting a voltage value U1 of a resistor R1 for detecting a secondary full-bridge circuit current and a voltage value U2 of a resistor R2 for detecting a secondary full-bri...  
WO/2018/234087A1
The present invention relates to a control circuit (10) for controlling a resonant power converter. It is described to generate (210) a modulation signal. A carrier signal is generates (220), wherein the generation of the carrier signal ...  
WO/2018/236470A1
An apparatus is provided which comprises: a first voltage regulator; a second voltage regulator; and a switch to selectively couple the first voltage regulator to the second voltage regulator, such that a first output node of the first v...  
WO/2018/234091A1
An AC input power converter comprising a rectifier circuit (D3, D4, D5, D6) for rectifying an AC input signal, a first unidirectional device (D1) coupled in series with a first capacitor (C1) for charging the first capacitor (C1) and whe...  
WO/2018/233819A1
The present disclosure relates to a method of controlling a three-to-single phase power converter 1 connected to a three-phase AC grid 5a and a single-phase AC grid 5b. The method comprises measuring a DC-link voltage uDC,meas of the con...  
WO/2018/234057A1
The invention relates to a component (1) comprising a first region (3) suitable for the guiding through of at least one bus bar (14), and a second region (4) in which at least one discrete component (13) is arranged, wherein the first re...  
WO/2018/233822A1
The present disclosure relates to a method of an estimator (20) of an inner control loop (21) controlling a three-to-single-phase converter (1) connected to an AC power grid (3) via a transformer (2). The method comprises obtaining a val...  
WO/2018/235572A1
A detector is provided with: one or more detection diodes for detecting a change of the environment of an object to be detected; a Y-capacitor having a plurality of capacitors separately disposed between one end of the detection diodes a...  
WO/2018/229658A1
An AC power supply for providing a DC current for charging a storage capacitor. A boost converter circuit raises the voltage of a rectified input current for charging a capacitor. The power factor of the power supply is maintained above ...  
WO/2018/232049A1
A deglitch circuit, or look-back, may be used to reduce or avoid reacting to a transient overvoltage situation by a voltage regulator. The voltage regulator may delay reacting to an overvoltage situation unless the overvoltage situation ...  
WO/2018/232178A1
Systems and methods for providing an indication of an output current of a voltage regulator applied to a load at an indicated time to a processor. An indication of the output current of a voltage regulator is determined in response to a ...  
WO/2018/229856A1
A drive circuit (100) is provided with a signal generation circuit (50), comparator (6a), comparator (6b), and short-circuit determining unit (8). The signal generation circuit (50) generates, as an output signal, a differential amplific...  
WO/2018/227422A1
A switch-mode power supply and a soft-start circuit thereof: a control signal which is outputted by means of a control unit so as to a control end of an on/off switch (K1) causes the on/off switch (K1) to remain in an off state during an...  
WO/2018/231126A1
A power tool (PT) for connection to AC mains (20) via at least one residual current protective device (RCCD; PRCD) is disclosed. The power tool has a DC motor (DCM), a power factor correction unit (PFC) for converting AC mains power to D...  
WO/2018/229378A1
The invention relates to a Method (6) for controlling a three-phase Vienna rectifier, comprising a plurality of controlled power switches, each associated with an electrical phase; the method (6) comprising: - a step of transforming (60)...  
WO/2018/227307A1
A switching circuit for controlling charging input from a DC source to at least one inverter circuit, each inverter circuit corresponding to at least one respective battery, the switching circuit is provided with a switching device which...  
WO/2018/227270A1
A system for providing both driving and charging functionality by using a plurality of traction inverters and a plurality of energy storage devices coupled to one another across the electric motor; an AC/DC converter front-end circuit in...  
WO/2018/230196A1
A drive device 100 is equipped with: a gate drive unit 20 which has gate drive circuits 21, 22 which respectively drive the gates of switching elements 11, 12 that are connected in series with one another; a negative-side power supply VC...  
WO/2018/227124A1
A load control device for controlling power delivered from an alternating-current power source to an electrical load may comprise a controllably conductive device, a control circuit, and an overcurrent protection circuit that is configur...  
WO/2018/225393A1
Provided is a power conversion device in which when a short-circuit failure occurs in any of a plurality of switching elements, the location of the short-circuit failure is specified. Failure detection circuits 16 inside driving circuits...  
WO/2018/224596A1
The invention relates to a method for operating a wind turbine (100) or a wind farm (112) comprising a plurality of wind turbines (100) for exchanging electric power between the wind farm and an electrical supply network, each wind turbi...  
WO/2018/225436A1
Provided is a gate driving device that eliminates the current unbalance of main switches driven in parallel. The MOS transistors (11, 12, 13) of the main switches are turned on or turned off by a main gate driving unit (20). A switching ...  

Matches 1 - 50 out of 31,868